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MSRC compact vulnerability detail

CVE-2025-21284 · Windows Virtual Trusted Platform Module Denial of Service Vulnerability

No description was published by MSRC.

Severity
Important
Impact
Denial of Service
CVSS
5.5 base · 4.8 temporal
Release
2025-01-14
Signals
Windows Virtual Trusted Platform Module Denial of Service Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-20: Improper Input Validation
Patch Diff
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Resolved binary override
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Description
No description was published by MSRC.
FAQ / Articles
FAQ
Are there any additional steps that I need to follow to be protected from this vulnerability? The changes to address this vulnerability updated Virtual Secure Mode components. The policy described in Guidance for blocking rollback of Virtualization-based Security (VBS) related security updates has been updated to account for the latest changes. If you deployed this policy, then you'll need to redeploy using the updated policy.
FAQ-CVSS-CIA-A:H - DOS
According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of availability (A:H). What does that mean for this vulnerability? If an attacker was able to successfully exploit the vulnerability the attack might result in a total loss of availability.